Red Hat OpenShift Update Service/Quay Stripe Billing Webhook /webhooks/stripe improper authentication

Summaryinfo

A vulnerability was found in Red Hat OpenShift Update Service and Quay and classified as problematic. Impacted is an unknown function of the file /webhooks/stripe of the component Stripe Billing Webhook Handler. Executing a manipulation can lead to improper authentication. This vulnerability is tracked as CVE-2026-74244. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Red Hat OpenShift Update Service and Quay (the affected version is unknown). This vulnerability affects an unknown code of the file /webhooks/stripe of the component Stripe Billing Webhook Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect integrity. CVE summarizes:

A flaw was found in Red Hat Quay's Stripe billing webhook handler. This vulnerability allows an unauthenticated attacker to forge billing events by sending crafted JSON requests to the `/webhooks/stripe` endpoint without validating the Stripe-Signature header. Successful exploitation can lead to the unauthorized resetting of a namespace's build quota to its maximum and trigger unsolicited billing emails to namespace administrators.

The advisory is available at access.redhat.com. This vulnerability was named CVE-2026-74244 since 08/14/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 08/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Virtualization Software

Vendor

• Red Hat

Name

• OpenShift Update Service
• Quay

License

• open-source

Website

• Vendor: https://www.redhat.com/

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